Optimum Pool Technologies 2" Pipe Tee & 2 Unions (Nut & Tailpiece) Plumbing Kit for Hayward Goldline Salt System Kit includes (1) Pipe Tee and (2) Salt Cell Union, Nut and Tailpiece. Pipe Tee Replaces Hayward Part No GLX-FLO-T. Unions Replace Hayward Part No GLX-CELL-UNION. Heavy Duty PVC parts used for the installation of various Hayward/Goldline Salt systems into standard 2" Pool Plumbing. Manyfactured by Optimum Pool Technologies, made in USA Pipe Tee includes 1/2" threaded opening for the Flow Switch (GLXFLORP) for your Hayward Goldline Salt System. FLOW SWITCH NOT INCLUDED. T-15 (Including Optimum Pool Technologies Simple Cell) T-9 T-5 T-3 T-15 (Including Optimum Pool Technologies Simple Cell) T-9 T-5 T-3